/*!	 synfig/rendering/common/task/taskblur.cpp
**	 TaskBlur
**
**	......... ... 2015 Ivan Mahonin
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#ifndef _WIN32
#include <unistd.h>
#include <sys/types.h>
#include <signal.h>
#endif

#include "taskblur.h"

#include "../../software/function/blur.h"

#endif

using namespace synfig;
using namespace rendering;

Rect
TaskBlur::calc_bounds() const
{
    Rect bounds = sub_task() ? sub_task()->get_bounds() : Rect::zero();
    Vector size = blur.size * software::Blur::get_extra_size(blur.type) * 1.05;
    bounds.minx -= fabs(size[0]);
    bounds.miny -= fabs(size[1]);
    bounds.maxx += fabs(size[0]);
    bounds.maxy += fabs(size[1]);
    return bounds;
}